Unit 6, Lesson 3, Grade 4 icon
Unit 6, Lesson 3

Represent mixed numbers with units of tens, ones, and tenths with place value disks, on the number line, and in expanded form

EngageNY 60 min(s)Support for English Language Learners

In this lesson, students work with place value disks and the number line to represent and identify decimal numbers with tenths as a unit. They use place value disks to rename groups of 10 tenths as ones. Then they record the value of each digit of a mixed number in fraction expanded form, followed by decimal expanded form - for example, 2 ones 4 tenths = 2 4/10 = (2 x 1) + (4 x 1/10) and 2.4 = (2 x 1) + (4 x 0.1). Finally, students model the value of decimal fractions within a mixed number by plotting decimal numbers on the number line.

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